" Vim syntax file " Language: YAML (YAML Ain't Markup Language) 1.2 " Maintainer: Nikolai Pavlov " First author: Nikolai Weibull " Latest Revision: 2015-03-28 " removed duplicate yamlKeyValueDelimiter (pull #4799) if exists('b:current_syntax') finish endif let s:cpo_save = &cpo set cpo&vim " Choose the schema to use " TODO: Validate schema if !exists('b:yaml_schema') if exists('g:yaml_schema') let b:yaml_schema = g:yaml_schema else let b:yaml_schema = 'core' endif endif let s:ns_char = '\%([\n\r\uFEFF \t]\@!\p\)' let s:ns_word_char = '[[:alnum:]_\-]' let s:ns_uri_char = '\%(%\x\x\|'.s:ns_word_char.'\|[#/;?:@&=+$,.!~*''()[\]]\)' let s:ns_tag_char = '\%(%\x\x\|'.s:ns_word_char.'\|[#/;?:@&=+$.~*''()]\)' let s:c_ns_anchor_char = '\%([\n\r\uFEFF \t,[\]{}]\@!\p\)' let s:c_indicator = '[\-?:,[\]{}#&*!|>''"%@`]' let s:c_flow_indicator = '[,[\]{}]' let s:ns_char_without_c_indicator = substitute(s:ns_char, '\v\C[\zs', '\=s:c_indicator[1:-2]', '') let s:_collection = '[^\@!\(\%(\\\.\|\[^\\\]]\)\+\)]' let s:_neg_collection = '[^\(\%(\\\.\|\[^\\\]]\)\+\)]' function s:SimplifyToAssumeAllPrintable(p) return substitute(a:p, '\V\C\\%('.s:_collection.'\\@!\\p\\)', '[^\1]', '') endfunction let s:ns_char = s:SimplifyToAssumeAllPrintable(s:ns_char) let s:ns_char_without_c_indicator = s:SimplifyToAssumeAllPrintable(s:ns_char_without_c_indicator) let s:c_ns_anchor_char = s:SimplifyToAssumeAllPrintable(s:c_ns_anchor_char) function s:SimplifyAdjacentCollections(p) return substitute(a:p, '\V\C'.s:_collection.'\\|'.s:_collection, '[\1\2]', 'g') endfunction let s:ns_uri_char = s:SimplifyAdjacentCollections(s:ns_uri_char) let s:ns_tag_char = s:SimplifyAdjacentCollections(s:ns_tag_char) let s:c_verbatim_tag = '!<'.s:ns_uri_char.'\+>' let s:c_named_tag_handle = '!'.s:ns_word_char.'\+!' let s:c_secondary_tag_handle = '!!' let s:c_primary_tag_handle = '!' let s:c_tag_handle = '\%('.s:c_named_tag_handle. \ '\|'.s:c_secondary_tag_handle. \ '\|'.s:c_primary_tag_handle.'\)' let s:c_ns_shorthand_tag = s:c_tag_handle . s:ns_tag_char.'\+' let s:c_non_specific_tag = '!' let s:c_ns_tag_property = s:c_verbatim_tag. \ '\|'.s:c_ns_shorthand_tag. \ '\|'.s:c_non_specific_tag let s:c_ns_anchor_name = s:c_ns_anchor_char.'\+' let s:c_ns_anchor_property = '&'.s:c_ns_anchor_name let s:c_ns_alias_node = '\*'.s:c_ns_anchor_name let s:ns_directive_name = s:ns_char.'\+' let s:ns_local_tag_prefix = '!'.s:ns_uri_char.'*' let s:ns_global_tag_prefix = s:ns_tag_char.s:ns_uri_char.'*' let s:ns_tag_prefix = s:ns_local_tag_prefix. \ '\|'.s:ns_global_tag_prefix let s:ns_plain_safe_out = s:ns_char let s:ns_plain_safe_in = '\%('.s:c_flow_indicator.'\@!'.s:ns_char.'\)' let s:ns_plain_safe_in = substitute(s:ns_plain_safe_in, '\V\C\\%('.s:_collection.'\\@!'.s:_neg_collection.'\\)', '[^\1\2]', '') let s:ns_plain_safe_in_without_colhash = substitute(s:ns_plain_safe_in, '\V\C'.s:_neg_collection, '[^\1:#]', '') let s:ns_plain_safe_out_without_colhash = substitute(s:ns_plain_safe_out, '\V\C'.s:_neg_collection, '[^\1:#]', '') let s:ns_plain_first_in = '\%('.s:ns_char_without_c_indicator.'\|[?:\-]\%('.s:ns_plain_safe_in.'\)\@=\)' let s:ns_plain_first_out = '\%('.s:ns_char_without_c_indicator.'\|[?:\-]\%('.s:ns_plain_safe_out.'\)\@=\)' let s:ns_plain_char_in = '\%('.s:ns_char.'#\|:'.s:ns_plain_safe_in.'\|'.s:ns_plain_safe_in_without_colhash.'\)' let s:ns_plain_char_out = '\%('.s:ns_char.'#\|:'.s:ns_plain_safe_out.'\|'.s:ns_plain_safe_out_without_colhash.'\)' let s:ns_plain_out = s:ns_plain_first_out . s:ns_plain_char_out.'*' let s:ns_plain_in = s:ns_plain_first_in . s:ns_plain_char_in.'*' syn keyword yamlTodo contained TODO FIXME XXX NOTE syn region yamlComment display oneline start='\%\(^\|\s\)#' end='$' \ contains=yamlTodo execute 'syn region yamlDirective oneline start='.string('^\ze%'.s:ns_directive_name.'\s\+').' '. \ 'end="$" '. \ 'contains=yamlTAGDirective,'. \ 'yamlYAMLDirective,'. \ 'yamlReservedDirective '. \ 'keepend' syn match yamlTAGDirective '%TAG\s\+' contained nextgroup=yamlTagHandle execute 'syn match yamlTagHandle contained nextgroup=yamlTagPrefix '.string(s:c_tag_handle.'\s\+') execute 'syn match yamlTagPrefix contained nextgroup=yamlComment ' . string(s:ns_tag_prefix) syn match yamlYAMLDirective '%YAML\s\+' contained nextgroup=yamlYAMLVersion syn match yamlYAMLVersion '\d\+\.\d\+' contained nextgroup=yamlComment execute 'syn match yamlReservedDirective contained nextgroup=yamlComment '. \string('%\%(\%(TAG\|YAML\)\s\)\@!'.s:ns_directive_name) syn region yamlFlowString matchgroup=yamlFlowStringDelimiter start='"' skip='\\"' end='"' \ contains=yamlEscape \ nextgroup=yamlKeyValueDelimiter syn region yamlFlowString matchgroup=yamlFlowStringDelimiter start="'" skip="''" end="'" \ contains=yamlSingleEscape \ nextgroup=yamlKeyValueDelimiter syn match yamlEscape contained '\\\%([\\"abefnrtv\^0_ NLP\n]\|x\x\x\|u\x\{4}\|U\x\{8}\)' syn match yamlSingleEscape contained "''" syn match yamlBlockScalarHeader contained '\s\+\zs[|>]\%([+-]\=[1-9]\|[1-9]\=[+-]\)\=' syn cluster yamlConstant contains=yamlBool,yamlNull syn cluster yamlFlow contains=yamlFlowString,yamlFlowMapping,yamlFlowCollection syn cluster yamlFlow add=yamlFlowMappingKey,yamlFlowMappingMerge syn cluster yamlFlow add=@yamlConstant,yamlPlainScalar,yamlFloat syn cluster yamlFlow add=yamlTimestamp,yamlInteger,yamlMappingKeyStart syn cluster yamlFlow add=yamlComment syn region yamlFlowMapping matchgroup=yamlFlowIndicator start='{' end='}' contains=@yamlFlow syn region yamlFlowCollection matchgroup=yamlFlowIndicator start='\[' end='\]' contains=@yamlFlow execute 'syn match yamlPlainScalar /'.s:ns_plain_out.'/' execute 'syn match yamlPlainScalar contained /'.s:ns_plain_in.'/' syn match yamlMappingKeyStart '?\ze\s' syn match yamlMappingKeyStart '?' contained execute 'syn match yamlFlowMappingKey /\%#=1'.s:ns_plain_in.'\%(\s\+'.s:ns_plain_in.'\)*\ze\s*:/ contained '. \'nextgroup=yamlKeyValueDelimiter' syn match yamlFlowMappingMerge /<<\ze\s*:/ contained nextgroup=yamlKeyValueDelimiter syn match yamlBlockCollectionItemStart '^\s*\zs-\%(\s\+-\)*\s' nextgroup=yamlBlockMappingKey,yamlBlockMappingMerge " Use the old regexp engine, the NFA engine doesn't like all the \@ items. execute 'syn match yamlBlockMappingKey /\%#=1^\s*\zs'.s:ns_plain_out.'\%(\s\+'.s:ns_plain_out.'\)*\ze\s*:\%(\s\|$\)/ '. \'nextgroup=yamlKeyValueDelimiter' execute 'syn match yamlBlockMappingKey /\%#=1\s*\zs'.s:ns_plain_out.'\%(\s\+'.s:ns_plain_out.'\)*\ze\s*:\%(\s\|$\)/ contained '. \'nextgroup=yamlKeyValueDelimiter' syn match yamlBlockMappingMerge /^\s*\zs<<\ze:\%(\s\|$\)/ nextgroup=yamlKeyValueDelimiter syn match yamlBlockMappingMerge /<<\ze\s*:\%(\s\|$\)/ nextgroup=yamlKeyValueDelimiter contained syn match yamlKeyValueDelimiter /\s*:/ contained syn cluster yamlScalarWithSpecials contains=yamlPlainScalar,yamlBlockMappingKey,yamlFlowMappingKey let s:_bounder = s:SimplifyToAssumeAllPrintable('\%([[\]{}, \t]\@!\p\)') if b:yaml_schema is# 'json' syn keyword yamlNull null contained containedin=@yamlScalarWithSpecials syn keyword yamlBool true false exe 'syn match yamlInteger /'.s:_bounder.'\@1